<template>
  <div>
    <div class="back">
      <el-form class="form" label-position="left" :model="form" :rules="rules" ref="form">
        <p class="title">Welcome</p>
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入管理员账号"></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="form.password" type="password" placeholder="请输入管理员密码"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" style="width: 100%" @click="onSubmit('form')">登录</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      form: {
        username: "",
        password: "",
      },
      rules: {
        username: [
          { required: true, message: "请填写用户名", trigger: "blur" },
          {
            pattern: /^\w{3,15}$/,
            message: "3~15位字符，可以包含：数字、字母、下划线",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请填写用户名", trigger: "blur" },
          {
            pattern: /^\w{6,15}$/,
            message: "6~15位字符，可以包含：数字、字母、下划线",
            trigger: "blur",
          },
        ],
      },
    };
  },

  methods: {
    onSubmit(formName) {
      this.$refs[formName].validate(valid => {
        if (valid) {
          this.$http.adminApi.login(this.form).then(res => {
            if (res.data.code == 200) {
              console.log(res);
              this.$router.push('/home/index');
              this.$store.commit('login', res.data.data.user); //存储用户信息
              this.$store.commit('saveToken', res.data.data.token); // 存储token令牌
              this.$message({
                type: 'success',
                message: '登录成功'
              })
            } else {
              this.$message({
                type: 'error',
                message: '登录失败，请检查帐号密码'
              })
            }
          })
        } else {
          this.$message({
            type: 'error',
            message: `注意：${res.data.msg}`
          })
        }
      });
    },
  },
};
</script>

<style scoped>
.form {
  display: block;
  width: 20%;
  position: absolute;
  top: 30%;
  left: 40%;
}

.form .title {
  text-align: center;
  font-size: 1.5em;
  color: white;
  margin-bottom: 20px;
}

.back {
  height: 100vh;
  background-image: linear-gradient(125deg, #e14040, #b050cd, #4842c9, #34828d);
  background-size: 500%;
  animation: animate 5s infinite;
}

@keyframes animate {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}
</style>
